Tolong dijawab ya teman-teman pake penjelasan lengkap
Jawaban:
Tentukan nilai x !
2x+30 + 5x-60 = 180
7x – 30 = 180
7x = 180 + 30
7x = 210
x = 120 ÷ 7
= 30
TVP = 2x + 30
= 2(30) + 30
= 60 + 30
= 90°
VWR = 5x – 60
= 5(30) – 60
= 150 – 60
= 90°
Penjelasan dengan langkah-langkah: